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2225530 = 25222553
BaseRepresentation
bin1000011111010101111010
311012001212001
420133111322
51032204110
6115411214
724626266
oct10372572
94161761
102225530
11129008a
128b3b0a
135cbca8
1441d0a6
152de63a
hex21f57a

2225530 has 8 divisors (see below), whose sum is σ = 4005972. Its totient is φ = 890208.

The previous prime is 2225501. The next prime is 2225533. The reversal of 2225530 is 355222.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 73441 = 1467^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2225498 and 2225507.

It is not an unprimeable number, because it can be changed into a prime (2225533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111267 + ... + 111286.

22225530 is an apocalyptic number.

2225530 is a deficient number, since it is larger than the sum of its proper divisors (1780442).

2225530 is a wasteful number, since it uses less digits than its factorization.

2225530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222560.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2225530 is about 1491.8210348430. The cubic root of 2225530 is about 130.5603035009.

It can be divided in two parts, 22 and 25530, that added together give a palindrome (25552).

The spelling of 2225530 in words is "two million, two hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 222553 445106 1112765 2225530